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Wearing Ring NSN 4320-00-126-7212

Item Description

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

NSN 4320-00-126-7212 NSN: 4320-00-126-7212

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Features and Characteristics

Body Style
Plain w/internal flange
Overall Length
1.516 inches
Body Outside Diameter
7.250 inches
Body Inside Diameter
6.438 inches
Corner Radius
0.375 inches inside right corner
Internal Flange Inside Diameter
5.688 inches
Internal Flange Width
0.375 inches
Corner Shape
Square outside right corner
Special Features
W/3 lugs on @flange side, 1.062 in. Lg, 0.625 in. W protruding 0.250 in. Equally spaced 120 degrees apart, w/1 pin 0.375 in. Od, 0.375 in. Protrusion located on outer periphery evenly spaced between two lugs 60. Degrees from one lug
Material
Copper alloy
FSC
4320 Power And Hand Pumps
NIIN
001267212
NSN
4320001267212

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
D5A612A3
Cage Code:
69266
Status:
A
MSDS:
Part Number:
A1A222A45PC21USAND22
Cage Code:
69266
Status:
A
MSDS:
Part Number:
A1A222A45PC21USX22
Cage Code:
69266
Status:
A
MSDS:
Part Number:
A1A156A100PC21USAND22
Cage Code:
69266
Status:
A
MSDS:
Part Number:
A1A156A100PC21USX22
Cage Code:
69266
Status:
A
MSDS:
Part Number:
A1A156A103PC21USAND22
Cage Code:
69266
Status:
A
MSDS:
Part Number:
A1A156A103PC21USX22
Cage Code:
69266
Status:
A
MSDS:
Part Number:
55-22187-18U/S
Cage Code:
52081
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8413919520
  • NAICS: 333911
  • SITC: 74291
  • Description: Parts, nesoi, of pumps for liquids
  • End Use (Code 21100):
    Industrial engines

Q & A

Frequently asked questions for NSN 4320-00-126-7212
What are the manufacturers of nsn 4320001267212?
Does this nsn 4320001267212 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320001267212
A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. it is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. it may also be used as a diffuser ring in the suction and discharge throats of valves.
Does nsn 4320001267212 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320001267212 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320001267212?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22534
FIIG:
A19900
App. Key:
A
Cond. Code:
2
Status:
A

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